feat(docker): grafana integration with docker compose

docker-compose.yml

@@ -38,6 +38,33 @@ services:
     depends_on:
       - pulse
 
+  grafana:
+    image: grafana/grafana:11.4.0
+    container_name: grafana
+    restart: unless-stopped
+
+    environment:
+      # Default credentials for local development.
+      # Override via environment variables or a .env file.
+      GF_SECURITY_ADMIN_USER: ${GF_SECURITY_ADMIN_USER:-admin}
+      GF_SECURITY_ADMIN_PASSWORD: ${GF_SECURITY_ADMIN_PASSWORD:-admin}
+
+    ports:
+      - "3000:3000"
+
+    volumes:
+      # Automatically provision Prometheus datasource and Pulse dashboard.
+      # SELinux relabeling for Fedora/RHEL hosts.
+      - ./grafana/provisioning:/etc/grafana/provisioning:ro,z
+      - ./grafana/dashboards:/var/lib/grafana/dashboards:ro,z
+
+      # Persistent Grafana storage (dashboards, users, settings).
+      - grafana-data:/var/lib/grafana
+
+    depends_on:
+      - prometheus
+
 volumes:
   pulse-data:
   prometheus-data:
+  grafana-data: